2021 Infiniti QX80 Reliability ReportA- grade · low risk · system-by-system breakdown
Quick Facts · 2021 Infiniti QX80
- The system most likely to surface first: infotainment system (minor severity).
- Has 2 NHTSA recalls on record — the most notable involves the fuel system, gasoline:delivery:fuel pump:control/drive module.
- Outscores the 2019 Infiniti QX80 by 5 points — one of the stronger nearby years to consider.
Is the 2021 Infiniti QX80 Worth Buying?
The 2021 Infiniti QX80 stands as a highly dependable full-size luxury SUV, leveraging a proven body-on-frame platform and a robust V8 powertrain. This is a solid choice for buyers prioritizing old-school durability and comfort over cutting-edge technology, offering strong long-term value with diligent maintenance.
The 2021 Infiniti QX80 is a highly reliable luxury SUV, built on a time-tested platform with a bulletproof V8 powertrain. While its technology might be a generation behind, its mechanical integrity ensures a confident ownership experience for many years to come. This is an excellent choice for buyers seeking proven…
Best Model Years
2018-2024 (after the significant exterior and interior refresh in 2018, maintaining the same robust platform and powertrain)
Years to Avoid
None explicitly for reliability; earlier generations simply feature older styling and tech.
Biggest Strengths
- Extremely durable V8 engine and 7-speed transmission
- Robust body-on-frame construction
- Strong resale value for its class
What Tends to Fail First on the 2021 Infiniti QX80
The systems that tend to fail first on the 2021 Infiniti QX80, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.
While functional, the system is dated, prone to occasional lag, and lacks modern integration features like wireless CarPlay/Android Auto. Owners report freezes or slow response, requiring system resets.
Due to the vehicle's considerable weight, front control arm bushings and sway bar links can experience accelerated wear, leading to clunking noises or vague steering feel. This is a common wear item for heavy SUVs.
The QX80's heft significantly impacts brake component life. Rotors are prone to warping, causing pulsation during braking, and pads wear relatively quickly. High-quality aftermarket components can mitigate this.
2021 Infiniti QX80 Mileage Danger Zones
The mileage windows when the 2021 Infiniti QX80 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the QX80 is still very much in its prime. Expect routine maintenance like oil changes, tire rotations, and cabin air filters. Any issues would likely be minor electrical glitches or early brake wear.
Maintenance Zone
This mileage marks the first significant service interval, potentially requiring spark plugs, transmission fluid change (if towing), and a close inspection of suspension components, especially front bushings and ball joints.
Elevated Risk Zone
Beyond the 90k mark, expect to address more wear-related items. This could include further suspension work, potential minor fluid leaks, and potentially the air suspension compressor if equipped and heavily used.
High Risk Zone
While the QX80 powertrain is built to last well beyond 120k, this mileage means major component refresh might be needed. Expect to replace most wear items if not already done, and monitor for any accessory drive issues or advanced corros…
2021 Infiniti QX80 Ownership Cost Outlook
What it typically costs to keep the 2021 Infiniti QX80 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$600-900
Moderate Repairs
$500-1,500 occasionally
How Long Does the 2021 Infiniti QX80 Last?
Focus on vehicles with comprehensive service records. A QX80 with up to 60,000 miles is still a prime candidate, while well-maintained examples over 100,000 miles can still offer excellent value and many more years of service.
What 2021 Infiniti QX80 Owners Actually Say
What Owners Love
- Exceptional long-term mechanical reliability and durability.
- Luxurious and comfortable ride, especially on long trips.
- Powerful V8 engine provides ample towing and passing power.
- Spacious interior with good third-row access for its class.
Common Frustrations
- Very poor fuel economy, a significant ongoing expense.
- Outdated infotainment system and interior design compared to rivals.
- Noticeable body roll in corners due to soft suspension tuning.
- Brakes wear quickly due to the vehicle's immense weight.
Who Should Buy the 2021 Infiniti QX80?
Best For
- Families needing serious towing capacity and spacious seating.
- Buyers who value traditional SUV ruggedness over car-like refinement.
- Individuals seeking a reliable luxury SUV without complex, expensive European repair bills.
Not Ideal For
- Drivers prioritizing fuel efficiency or low running costs.
- Tech-savvy individuals accustomed to the latest infotainment features.
How the 2021 Infiniti QX80 Compares to Rivals
The QX80 holds its own against luxury competitors primarily due to its proven powertrain and robust construction, often surpassing them in long-term mechanical reliability, though it lags in cutting-edge tech and fuel efficiency.
More Reliable Than
- Cadillac Escalade (older models for reliability)
- Lincoln Navigator (for long-term powertrain durability)
Comparable To
- Toyota Sequoia
- Lexus GX (in terms of mechanical robustness)
2021 Infiniti QX80 Recall History
2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE
Nissan North America, Inc. (Nissan) is recalling certain 2020-2021 Nissan Armada and 2020-2021 INFINITI QX80 vehicles equipped with V8 engines. The impeller can swell and bind within the fuel pump module, causing it to fail.
BACK OVER PREVENTION:DISPLAY FUNCTION
Nissan North America, Inc. (Nissan) is recalling certain 2021 Infinity Q50, Q60, and QX80 vehicles. A software error may deactivate the audio/video control unit screen, preventing the rear-view image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
What breaks on the 2021 Infiniti QX80?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Other Infiniti QX80 Years to Consider
Compare KeepScores across nearby years of the Infiniti QX80. Click any year for its full report.
2021 Infiniti QX80 Alternatives
Similar class, similar year range — ranked by KeepScore.
Relevant Products for Your 2021 Infiniti QX80
Parts and accessories matched to your 2021 Infiniti QX80
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Frequently Asked Questions
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